ucx: test/test_utils.cpp@dfd0403ff8b6 (annotated)

test/test_utils.cpp@dfd0403ff8b6 (annotated)

test/test_utils.cpp

Wed, 08 Feb 2023 18:56:58 +0100

author: Mike Becker <universe@uap-core.de>
date: Wed, 08 Feb 2023 18:56:58 +0100
changeset 646: dfd0403ff8b6
parent 633: 63a692642aa2
permissions: -rw-r--r--

add pointer swap utility

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include "cx/utils.h"
 #include <gtest/gtest.h>
 TEST(Utils, ForN) {
     unsigned j;
     j = 0;
     cx_for_n(i, 50) {
         EXPECT_EQ(i, j);
         j++;
     }
 }
 TEST(Utils, swap_ptr) {
     int i = 5;
     int j = 8;
     int *ip = &i;
     int *jp = &j;
     cx_swap_ptr(ip, jp);
     EXPECT_EQ(ip, &j);
     EXPECT_EQ(jp, &i);
 }
 TEST(Utils, szmul) {
     size_t r;
     int e;
     e = cx_szmul(5, 7, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(35, r);
     size_t s = SIZE_MAX & ~3;
     e = cx_szmul(s / 4, 2, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s / 2, r);
     e = cx_szmul(2, s / 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s / 2, r);
     e = cx_szmul(s / 4, 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s, r);
     e = cx_szmul(4, s / 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s, r);
     e = cx_szmul(s / 4, 5, &r);
     EXPECT_NE(0, e);
     e = cx_szmul(5, s / 4, &r);
     EXPECT_NE(0, e);
     e = cx_szmul(SIZE_MAX - 4, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul(0, SIZE_MAX - 1, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul(SIZE_MAX, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul(0, SIZE_MAX, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul(0, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
 }
 #ifdef CX_SZMUL_BUILTIN
 // also test the custom implementation
 struct Utils_szmul_impl : ::testing::Test {
 #undef CX_SZMUL_BUILTIN
 #include "../src/utils.c"
 #define CX_SZMUL_BUILTIN
 };
 TEST_F(Utils_szmul_impl, Test) {
     size_t r;
     int e;
     e = cx_szmul_impl(5, 7, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(35, r);
     size_t s = SIZE_MAX & ~3;
     e = cx_szmul_impl(s / 4, 2, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s / 2, r);
     e = cx_szmul_impl(2, s / 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s / 2, r);
     e = cx_szmul_impl(s / 4, 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s, r);
     e = cx_szmul_impl(4, s / 4, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(s, r);
     e = cx_szmul_impl(s / 4, 5, &r);
     EXPECT_NE(0, e);
     e = cx_szmul_impl(5, s / 4, &r);
     EXPECT_NE(0, e);
     e = cx_szmul_impl(SIZE_MAX - 4, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul_impl(0, SIZE_MAX - 1, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul_impl(SIZE_MAX, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul_impl(0, SIZE_MAX, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
     e = cx_szmul_impl(0, 0, &r);
     EXPECT_EQ(0, e);
     EXPECT_EQ(0, r);
 }
 #endif // CX_SZMUL_BUILTIN

Mercurial > hg > ucx / annotate

test/test_utils.cpp@dfd0403ff8b6 (annotated)

test/test_utils.cpp